package com.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.constant.MessageConstant;
import com.dao.MemberDao;
import com.dao.OrderDao;
import com.dao.OrderSettingDao;
import com.entity.Result;
import com.pojo.Member;
import com.pojo.Order;
import com.pojo.OrderSetting;
import com.service.OrderService;
import com.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;


@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderserviceImpl implements OrderService {

    @Autowired
    private OrderSettingDao orderSettingDao;

    @Autowired
    private MemberDao memberDao;

    @Autowired
    private OrderDao orderDao;

    //用户预约
    @Override
    public Result order(Map map) throws Exception {
        //1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
        String orderDate = (String) map.get("orderDate");
        OrderSetting orderSetting = orderSettingDao.findByOrderDate(DateUtils.parseString2Date(orderDate));
        if (orderSetting == null){
            //当前日期未进行预约设置，无法预约
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }

        //2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
        int number = orderSetting.getNumber(); //可预约人数
        int reservations = orderSetting.getReservations(); //已经预约的人数
        if (reservations >= number){
            //预约人数已满 无法预约
            return new Result(false,MessageConstant.ORDER_FULL);
        }

        //3、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        if (member != null){
            //判断用户是否预约的是否是同一个套餐
            Integer memberId = member.getId();  //会员id
            Date order_Date = DateUtils.parseString2Date(orderDate); //预约日期
            Integer setmealId = Integer.parseInt((String) map.get("setmealId"));
            Order order = new Order(memberId, order_Date, setmealId);
            //根据条件查询
            List<Order> list = orderDao.findByCondition(order);
            if (list != null && list.size() > 0 ){
                //已经完成了预约，不能重复预约
                return new Result(false,MessageConstant.HAS_ORDERED);
            }
        }else{
            //4、检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注册并进行预约
            member = new Member();
            member.setName((String) map.get("name"));
            member.setSex((String) map.get("sex"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setRegTime(new Date());
            memberDao.add(member);
        }

        //5、预约成功，更新当日的已预约人数
        //添加订单
        Order order = new Order();
        order.setSetmealId(member.getId()); //会员id
        order.setOrderDate(DateUtils.parseString2Date(orderDate)); //预约时间
        order.setOrderType((String) map.get("orderType")); //预约类型
        order.setOrderStatus(Order.ORDERSTATUS_NO); //预约状态
        order.setSetmealId(Integer.parseInt((String) map.get("setmealId")));  //体检套餐id
        orderDao.add(order);

        //更改预约人数
        orderSetting.setReservations(orderSetting.getReservations() + 1);
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        return new Result(true,MessageConstant.ORDER_SUCCESS,order.getId());
    }

    ////通过订单id查询体检人，体检套餐，体检时间，预约类型
    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById4Details(id);
        if (map != null){
            String orderDate = (String) map.get("orderDate");
            Date date = DateUtils.parseString2Date(orderDate);
            map.put("orderDate",date);
        }
        return null;
    }
}
